'Colbert Report' Sets Date for Final Show

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Stephen Colbert will take over for David Letterman in 2015

Stephen Colbert has announced when he'll be signing off from The Colbert Report.

The date for his final show will be Thursday, Dec. 18.Colbert made the announcement on Thursday's show as part of a pitch for the paperback release of America Again: Re-becoming the Greatness We Never Weren't.

"Stephen Colbert, the guy you've seen here every night for nine years will be gone. All you'll have left of me is this book," Colbert said holding up the paperback. "So pick up America Again in paperback for a loved one. Or for a hated one. Go to your local independent book store, because I have a longtime war against Amazon, and I will never relent. Or — buy it on Amazon, because, you know, just buy it."